63973416 has 32 divisors (see below), whose sum is σ = 172236960. Its totient is φ = 19684032.

The previous prime is 63973387. The next prime is 63973417. The reversal of 63973416 is 61437936.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (63973417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102210 + ... + 102833.

It is an arithmetic number, because the mean of its divisors is an integer number (5382405).

Almost surely, 2^63973416 is an apocalyptic number.

It is an amenable number.

63973416 is an abundant number, since it is smaller than the sum of its proper divisors (108263544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63973416 is a wasteful number, since it uses less digits than its factorization.

63973416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205065 (or 205061 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 63973416 is about 7998.3383274278. The cubic root of 63973416 is about 399.9446089966.

The spelling of 63973416 in words is "sixty-three million, nine hundred seventy-three thousand, four hundred sixteen".